Fan with air purification function



FIG. 1 is a perspective view of a fan with air purification function showing the new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left-side elevation view thereof;

FIG. 5 is a right-side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines and the areas within them depict portions of the fan with air purification function that form no part of the claim. 

CLAIM We claim the ornamental design for a fan with air purification function, as shown and described. 